Method layout

tiling.js:649–814

(animate = true, options = {})

    }

    layout(animate = true, options = {}) {
        // Guard against recursively calling layout
        if (!this._populated)
            return;
        if (this._inLayout)
            return;

        // option properties
        const ensure = options?.ensure ?? true;
        const allocators = options?.customAllocators;
        const centerIfOne = options?.centerIfOne ?? true;
        const callback = options?.callback;

        this._inLayout = true;
        this.startAnimate();

        let time = Settings.prefs.animation_time;
        let gap = Settings.prefs.window_gap;
        let x = gap; // init (ensures autostart apps in particular start properly gapped)
        let selectedIndex = this.selectedIndex();
        let workArea = this.workArea();

        // Happens on monitors-changed
        if (workArea.width === 0) {
            this._inLayout = false;
            return;
        }

        /**
         * If current window is fullscreened, then treat workarea as fullscreen (y = 0).
         * This a "flash of topbar spacing") before consecutive layout call resolves.
         */
        const panelBoxHeight = Topbar.panelBox.height;
        const primaryMonitor = Main.layoutManager.primaryMonitor;
        switch (true) {
        case this.selectedWindow?.fullscreen:
            workArea.y = 0;
            this.setSpaceTopbarElementsVisible(false);
            break;
        case this.monitor === primaryMonitor: {
            if (!this.showTopBar) {
                // remove panelbox height
                workArea.y -= panelBoxHeight;
                workArea.height += panelBoxHeight;

                if (this.showPositionBar) {
                    // add panelbox height if need to show window position bar
                    workArea.y += panelBoxHeight;
                    workArea.height -= panelBoxHeight;
                }
            }
            break;
        }
        default:
            if (this.showPositionBar) {
                workArea.y += panelBoxHeight;
                workArea.height -= panelBoxHeight;
            }